On Green Day at her school, Cam and her classmates discuss ways to protect the environment, but when money collected for the the school's new skylights disappears, Cam uses her photographic memory to solve the mystery.
When she notices some bones missing from a dinosaur skeleton exhibited in the museum, a young girl with a photographic memory tries to discover who has been taking them and why.
Using her excellent memory, Cam Jansen, aided by her friend Eric, investigates the disappearance of Mrs. Scott's valuable pearl necklace during a charity brunch.
When Cam Jansen and her friend Eric uncover a mystery while selling fudge door-to-door to raise money for the local library, Cam uses her photographic memory to foil a crime.
Cam and her friend Danny help solve the mystery of a stolen pearl necklace when the governor comes to visit their school for the dedication of the new library.
While Cam's Aunt Molly is competing in a comedy contest, the expensive plate the winner will receive disappears and Cam and Eric set out to find it before the contest is over.
Fifth-grader Cam uses her photographic memory, with help from her friend Eric and his twin sisters, to solve the mystery of Poochie, a famous canine television star.
Cam Jansen and her friend Eric go to the airport to meet Cam's Aunt Molly who has just arrived from France but, before they can say bonjour, a young French girl has disappeared.
While at the airport waiting for her father to pick up his best friend from childhood, Cam Jansen uses her photographic memory to help a distressed father find his missing daughter.